#include<bits/stdc++.h>
#include<cmath>
using namespace std;
vector<int>t;
stack<int>sta;
auto f(){
    int a[131];
    return a;
}
int main(){
    freopen("color.in","r",stdin);
    freopen("color.out","w",stdout);
    cout<<sqrt(9);
    int ans[21][2]={};
    ans[0][0],ans[0][1]=21,3;
    cout<<ans[0][0]<<endl<<ans[0][1]<<endl;
    cout<<INT_MAX;
    while (1)
    {
        sta.push(3);
    }
    
    fclose(stdin);
    fclose(stdout);
    return 0;
}